Schweiz:Flavio Cotti (1994-1997), former President of the Swiss ConfederationPascal Couchepin (2001, 2002, 2004, 2005), current President of the Swiss ConfederationJean-Pascal Delamuraz (1995), former President of the Swiss ConfederationMax Petitpierre (1963, 1966), former President of the Swiss ConfederationJacob Kellenberger (1993), former Swiss State Secretary of Foreign AffairsSigmund Widmer (1975), former Mayor of ZürichDenis de Rougemont (1954, 1955, 1966)